Home / 346,056.80-519,085.20-121,670.60

Finding the Fourth Proportional to 346,056.80, 519,085.20 and 121,670.60

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Solution

The fourth proportional to 346,056.80, 519,085.20 and 121,670.60 is: 182,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,056.80 : 519,085.20 = 121,670.60 : x
  2. Step 2: Convert to fraction form
    346,056.80/519,085.20 = 121,670.60/x
  3. Step 3: Cross multiply
    346,056.80x = 519,085.20 × 121,670.60
  4. Step 4: Simplify right side
    346,056.80x = 63,157,407,735.12
  5. Step 5: Solve for x
    x = 63,157,407,735.12/346,056.80
  6. Step 6: Final answer
    x = 182,505.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.